#define _CRT_SECURE_NO_WARNINGS 1
#include <stdio.h>

int main() {
    int a, b, m = 1;
    scanf("%d", &a);
    b = a * a * a;
    while (1)
    {
        if (m * a + a * a - a == b)
            break;
        m += 2;
    }
    for (int i = 1; i <= a; i++)
    {
        if (i == a)
        {
            printf("%d", m);
        }
        else printf("%d+", m);
        m += 2;
    }
    return 0;
}